ASU BIO 202 Exam 1; Questions & Answers 100% Verified
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Course
Arizona State University BIO 202
Institution
Arizona State University BIO 202
ASU BIO 202 Exam 1; Questions & Answers
100% Verified
Chapter 18 Blood
Describe the functions and properties of blood Answer-Transports :
O2 from lungs to organs/cells
CO2 from cells to lungs
Nutrients from digestive system & storage
Wastes to liver & kidneys
Hormones
Regulates body temp...
Explain the significance of blood viscosity and osmolarity, and how changes in viscosity and
osmolarity affect the body. Answer-Viscosity - resistance to flow (thickness/stickyness)
-Too many or too few red blood cells changes the viscosity of blood and puts a strain on the
heart
Osmolarity - total molar concentration of dissolved particles in 1 L of solution due to transfer of
nutrients and wastes between the blood & tissue fluids
-If too high: bloodstream absorbs too much fluid from the tissues, thus causing hypertension
(high BP)
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